i put on ceramic myself when i first got it. since it was new i didn't have to polish, just clayed due to an open trailer long distance transport dirt. a few hours of elbow grease but it's been shining for the last couple yrs. add to it a few hours stripping the wax layer, diy is great.
I feel the same. when wireless carplay, other app cannot access internet via cellular data, forced take over bluetooth earphone even the mechanic started up the z inside the shop while i was in the waiting lobby. once it loses the wireless carplay connect, you have to prime it again with wired...
i used this mount, works extremely solid on top of dashboard, it blocks the view of the analog dials but can be moved easily if needed.
https://www.amazon.com/dp/B0C1HP8N5D?ref=ppx_yo2ov_dt_b_product_details&th=1
another data point here for extended warranty(Nissan Security+Plus)
72 months, 100K miles, Gold preferred, No deductible, bought same time with z, cost: 3,648.0USD
yes, i bought extended warrary fr nissan at the same time with the car. it does exist. they did bring up some other options but i asked for bumper to bumper extended from 3yrs to 7 yrs nissan warranty.
update: from total wheel+tire, i'm guessing the stock wheels are:
52.4-30 = 22.4 lbs
54.8-30 = 24.8lbs
the differences between wats and stock wheels become
27.5-22.4=5.1lbs
29.7-24.8=4.9lbs
too much for the unsprung weight added. I hope the wats inspired wheels on the jdm customized z will be...
Just found out the 19" wats weights and want to compare with the stock wheel's weighs but couldn't find it with search on the net or here for performance z. anyone ?
Eight spokes F8 19x9.5J 12.5 kg 
Eight spokes F8 19x10.5J 13.5 kg 
you're most welcome. It seems the offset on these 19" watanabe though not the same as in the manual will work with the z ok. I'm waiting for a reply fr watanabe about the weights of these wheels before ordering, I'm hoping they are not too bad.
Congratulations and good luck with the transaction and don't forget to post pix of the z.
about thr roadtrip, i would suggest making sure the hotel's parkings where you stay overnight are secured/gated if you decided to drive it home. I shipped instead of driving several days at daytime and...
Yes i felt this jerk at stops often and thought it was the firmware/software
part and was thinking of bringing it up when next time with dealer service.
the jerk is relative powerful and startling, it should be considered an issue for nissan to solve.
update: Watanabe just announced nissan z wheels exclusive design:
https://www.rs-watanabe.co.jp/newrz34/
the person who emailed me missed this news by a day (edit: the latest email mentioned these pics from the new ad, must have been just updated with my inquiries.)
note that offsets of both...
update: i contacted rs wayanabe and got their reply:
"....
Watanabe does not have the size and offset exactly you are looking for but they have the sizes close to your one.
Also for 19 inch, they can not change the offset. How about 18 inch wheels? As they can make the offset on your...
i'm not much of a wheel guy but these are impressive. I now have this desire of getting them myself. would you share info for ordering pls ? i need details (specs, options to chose that fits the z) and the seller if possible bc this is my first time shopping for rims ever. looking forward to...